211587978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 516513024

約数和(自身を除く): 304925046

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 53, 74, 98, 106, 111, 147, 159, 222, 259, 294, 318, 367, 371, 518, 734, 742, 777, 1101, 1113, 1554, 1813, 1961, 2202, 2226, 2569, 2597, 3626, 3922, 5138, 5194, 5439, 5883, 7707, 7791, 10878, 11766, 13579, 13727, 15414, 15582, 17983, 19451, 27158, 27454, 35966, 38902, 40737, 41181, 53949, 58353, 81474, 82362, 95053, 96089, 107898, 116706, 136157, 190106, 192178, 272314, 285159, 288267, 408471, 570318, 576534, 665371, 719687, 816942, 953099, 1330742, 1439374, 1906198, 1996113, 2159061, 2859297, 3992226, 4318122, 5037809, 5718594, 10075618, 15113427, 30226854, 35264663, 70529326, 105793989, 211587978]

約数ペア:

[(1, 211587978), (2, 105793989), (3, 70529326), (6, 35264663), (7, 30226854), (14, 15113427), (21, 10075618), (37, 5718594), (42, 5037809), (49, 4318122), (53, 3992226), (74, 2859297), (98, 2159061), (106, 1996113), (111, 1906198), (147, 1439374), (159, 1330742), (222, 953099), (259, 816942), (294, 719687), (318, 665371), (367, 576534), (371, 570318), (518, 408471), (734, 288267), (742, 285159), (777, 272314), (1101, 192178), (1113, 190106), (1554, 136157), (1813, 116706), (1961, 107898), (2202, 96089), (2226, 95053), (2569, 82362), (2597, 81474), (3626, 58353), (3922, 53949), (5138, 41181), (5194, 40737), (5439, 38902), (5883, 35966), (7707, 27454), (7791, 27158), (10878, 19451), (11766, 17983), (13579, 15582), (13727, 15414)]